... 2) Efficiency:82%; 3) Ceramic glass, SIT valve, firebox, burner, gas logs, black louver, blower; 4)N.T.:60kg Specifications:1 ... 3) Efficiency: 82%;4) Fuel: Natural gas/LPG5) Ceramic glass, SIT valve, firebox, burner, gas logs, black louver, blower6) Yellow flames ... Heats a medium to large sized living area3) Heater rated bedroom, alcove and mobile home approved 4) Easy installation just about anywhere5 ...